916161 has 8 divisors (see below), whose sum is σ = 1285920. Its totient is φ = 578592.

The previous prime is 916141. The next prime is 916169. The reversal of 916161 is 161619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 916161 - 2⁵ = 916129 is a prime.

916161 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916161.

It is not an unprimeable number, because it can be changed into a prime (916169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7980 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (160740).

2⁹¹⁶¹⁶¹ is an apocalyptic number.

It is an amenable number.

916161 is a deficient number, since it is larger than the sum of its proper divisors (369759).

916161 is a wasteful number, since it uses less digits than its factorization.

916161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095.

The product of its digits is 324, while the sum is 24.

The square root of 916161 is about 957.1629955238. The cubic root of 916161 is about 97.1234125482.

The spelling of 916161 in words is "nine hundred sixteen thousand, one hundred sixty-one".